Chapter 3 BIOS Configuration
66
ISA-E2 User’s Manual
absolutely nothing unless you are using a Plug and Play operating system such as
Windows
®
98 or Windows
®
2000. If you set this field to “manual” choose
specific resources by going into each of the sub menu that follows this field (a sub
menu is preceded by a “ ”).
The choice: Auto, Manual.
IRQ Resources
When resources are controlled manually, assign each system interrupt a type,
depending on the type of device using the interrupt. This item allows you to
determine the IRQ assigned to the ISA bus and is not available to any PCI slot.
Legacy ISA for devices compliant with the original PC AT bus specification,
PCI/ISA PnP for devices compliant with the Plug and Play standard whether
designed for PCI or ISA bus architecture.
The Choice:
Legacy ISA
and
PCI/ISA PnP
.
DMA Resources
When resources are controlled manually, assign each system DMA channel a
type, depending on the type of device using the DM channel. Legacy ISA for
devices compliant with the original PC AT bus specification, PCI/ISA PnP for
devices compliant with the Plug and Play standard whether designed for PCI or
ISA bus architecture.
Choices are
Legacy ISA
and
PCI/ISA PnP
.
PCI/VGA Palette Snoop
Leave this field at
Disabled
.
Choices are Enabled, Disabled.
Assign IRQ For VGA/USB
Enable/Disable to assign an IRQ for USB/VGA.
Choices are Enabled, Disabled.
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